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how can i see that $j\beta =\beta j$ is equivalent to $\beta^*+\beta$ being a multiple of the identity?

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#linear-algebra #geometry #differential #contact-topology
35
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different contact structures

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#contact-topology
99
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Equivalence of two 1-form defining the same hyperplane field on a manifold.

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#differential-geometry #riemannian-geometry #symplectic-geometry #symplectic-linear-algebra #contact-topology
101
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Why is the distance function pluri-subharmonic?

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#complex-geometry #symplectic-geometry #contact-topology
83
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Physical motivation for tight/overtwisted dichotomy

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#differential-geometry #contact-topology
365
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Global contact form defining contact structure

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#differential-geometry #contact-topology
224
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Darboux theorem for the symplectisation of a contact manifold

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#differential-geometry #symplectic-geometry #contact-topology
103
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Geodesics in the symplectization of a contact manifold

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#symplectic-geometry #geodesic #contact-topology
92
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Overtwisted contact forms without closed Reeb orbits

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#differential-geometry #partial-differential-equations #vector-fields #contact-topology
315
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Why coorientable is a dual notion of orientable?

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#geometric-topology #orientation #contact-topology #contact-geometry
166
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Relationship between the Reeb field of a contact manifold and the Reeb field of a contact submanifold

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#differential-geometry #differential-topology #contact-topology
60
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Effect of a Lutz twist on Euler number

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#differential-geometry #differential-topology #contact-topology #contact-geometry
42
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Metric on contact 3 manifolds

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#differential-geometry #differential-topology #symplectic-geometry #contact-topology
116
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Linking number of specific Reeb orbits in a toric domain ($S^3$ diffeomorphic)

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#symplectic-geometry #contact-topology
117
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Soft/Hard question on the relation of homology of finite covering spaces and the base (for singular homology, Morse homology and ECH)

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#algebraic-topology #symplectic-geometry #morse-theory #contact-topology

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